For higher viscosities up to 100,000cP, a progressive cavity design is more suitable. PTFE screw-type lifting compressors are often used. For medium and viscosity fluids, positive displacement pumps are more suitable. FLUX VISCOPOWER progressive cavity pumps (formerly referred to as eccentric worm-drive pumps) can cover a wide range of viscosities. The rotation of the impeller discharges the liquid up the tube and out of a port at the top of the immersion tube. The pumped liquid flows between the sleeve and the tube to the discharge port at the motor end of the immersion tube.ĭrum pumps for low or medium viscosity fluids generally employ extended centrifugal pumps with single, double, or multiple impellers. The pump is driven from the other end of the immersion tube, using an extended shaft protected by a sealed column. The drum pump also consists of a small motor attached to the shaft, which runs on an AC or DC electric motor. The media is gently pumped with FLUX F 500 series eccentric worm-drive pumps. Since drum pumps are available in different forms, their working principle also varies, mainly between centrifugal and positive displacement pump operation.īasically, a barrel pump works by fitting into the top opening of a drum by way of its narrow tube, which houses a vertical shaft. Series HVDP High Viscosity Drum Pump, 2.00 316 Stainless Steel Tube, 2 Hose Barb Discharge, PTFE Stator, Carbon/Ceramic/FKM Seal, 40 Tube Length, 4:1 Speed. For pumping highly viscous products from drums VISCOFLUX drum unloading systems are specifically designed for emptying containers of high viscosity products such as tomato paste, vaseline, greases and more.
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